2203041220 has 72 divisors (see below), whose sum is σ = 4959496584. Its totient is φ = 821796864.

The previous prime is 2203041209. The next prime is 2203041251. The reversal of 2203041220 is 221403022.

It can be written as a sum of positive squares in 12 ways, for example, as 51380224 + 2151660996 = 7168^2 + 46386^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2203041194 and 2203041203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 651454 + ... + 654826.

It is an arithmetic number, because the mean of its divisors is an integer number (68881897).

Almost surely, 2^2203041220 is an apocalyptic number.

2203041220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2203041220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2479748292).

2203041220 is an abundant number, since it is smaller than the sum of its proper divisors (2756455364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2203041220 is a wasteful number, since it uses less digits than its factorization.

2203041220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529 (or 3510 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2203041220 is about 46936.5659161383. The cubic root of 2203041220 is about 1301.1904716261.

Adding to 2203041220 its reverse (221403022), we get a palindrome (2424444242).

The spelling of 2203041220 in words is "two billion, two hundred three million, forty-one thousand, two hundred twenty".